Updated On December 15th, 2016
Pet's info: Fish | Unknown - Fish | Male | unneutered
Answered By Jessica Desrosiers 40
Veterinary Technician
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It's possible Bartholomew has a skin or fungal infection that is affecting him. Testing your water may help if there is an environmental cause, as well as treating for fungal infections. Most pet stores will carry water treatments for the most common causes of fungal growths on fish.
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